Planning for the weather is a good way to make your trip to Mazamitla relaxing and enjoyable, especially when you’re splurging. The hottest months are usually May and April with an average temp of 73°F, while the coldest months are January and December with an average of 66°F. The rainiest months in Mazamitla are September, August, June, and July, with each month seeing an average of 7 inches of rainfall.